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GSM Dialler Problem - Strange?

Discussion in 'Alarms, CCTV & Telephones' started by dinos1974, 30 Jul 2012.

  1. dinos1974


    30 Jul 2012
    Thanks Received:
    United Kingdom
    Hi to all from Greece , many thanks for reading
    question 1:
    I have recently come up to a problem with the Sikura GSM Comby4 dialler -from somewhere Italy - (which appears to be the same with the http://www.mzelectronic.com/MANUALI/MZ-SAT_UK_MAN.pdf
    dialler without the GPS module). The Dialler is connect in the parallel with the Bell output of the Veritas R8 panel from a professional technician
    in my city. The problem is that the dialler is dialling whenever it feels like doing it so. I have made many experiments with the panic button (3& 9) and always the veritas removes the voltage and triggers the dialler. The dialler sometimes registers with the network and makes the call but if you try it after 2minutes so it may fail to register with GSM network and quit ( effectivelly you do not know when it will call). I have used the full antenna length and I have tried to keep the unit colder. I have noticed (although I can not put my hands on fire for that) that whenever you reset the unit the first time always calls (it may be pure luck though) .
    There is no signal indicator led in the product ( :!: :!: ) .

    question 2: Can I open the veritas r8 panel buy just entering the engineering code and removing the 2 white plastic screws or do I have to do more in order to avoid an alarm triggered from the box tamber.

    Any ideas? Many thanks.
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